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NullpointerException in LexoRankBalanceRankInfoService Edited

As described in https://confluence.atlassian.com/jirakb/troubleshooting-new-ranking-system-issues-779159221.html one can access https://<jira-base-url>/rest/greenhopper/1.0/lexorank/balance to get balancer status. Instead I get a NullpointerException.

The base problem I try to fix is https://confluence.atlassian.com/jirakb/issue-ranking-operation-fails-jira-software-cannot-execute-the-rank-operation-at-this-time-913477224.html which in one project occurs 100% while is not so noisy in others.

Any suggestions on how to proceed from here?

 (Running 

<status><status-code>500</status-code><stack-trace>java.lang.NullPointerException at com.atlassian.greenhopper.service.lexorank.balance.LexoRankBalanceRankInfoService.getIssueKey(LexoRankBalanceRankInfoService.java:45) at com.atlassian.greenhopper.service.lexorank.balance.LexoRankBalanceRankInfoService.getMaxRank(LexoRankBalanceRankInfoService.java:64) at com.atlassian.greenhopper.service.lexorank.balance.LexoRankBalancer.getBalanceStatus(LexoRankBalancer.java:207) at com.atlassian.greenhopper.web.configuration.LexoRankHelper.getBalanceStatus(LexoRankHelper.java:38) at com.atlassian.greenhopper.web.configuration.LexoRankResource$1.call(LexoRankResource.java:86) at com.atlassian.greenhopper.web.configuration.LexoRankResource$1.call(LexoRankResource.java:82) at com.atlassian.greenhopper.web.util.RestCall.response(RestCall.java:42) at com.atlassian.greenhopper.web.AbstractResource.createResponse(AbstractResource.java:111) at com.atlassian.greenhopper.web.AbstractResource.responseWithoutAccessCheck(AbstractResource.java:105) at com.atlassian.greenhopper.web.configuration.LexoRankResource.balanceStatus(LexoRankResource.java:81) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at com.atlassian.plugins.rest.common.interceptor.impl.DispatchProviderHelper$ResponseOutInvoker$1.invoke(DispatchProviderHelper.java:192) at com.a

3 answers

1 accepted

1 vote
Answer accepted

This did the trick:

alter table "AO_60DB71_LEXORANK" alter column "RANK" type character varying(255) collate pg_catalog."POSIX";
0 votes
Moses Thomas Community Leader Aug 10, 2018

@Jon Martin SolaasOne question are you  using  HTTP or HTTPS ?  for your  Jira instance

0 votes
Vikas Pandey Atlassian Team Apr 29, 2021

check the workaround section here : https://jira.atlassian.com/browse/JSWSERVER-17685

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